Bluetooth: Don't send unnecessary write_le_enable command (0b60eba1) · Commits · 戴 / test

If the local host features indicate that LE is already in the state that is desired there's no point in sending the HCI command to try to change the setting. Signed-off-by:

Johan Hedberg <johan.hedberg@intel.com> Acked-by:

Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/mgmt.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -1260,7 +1260,7 @@ static int set_le(struct sock sk, u16 index, void data, u16 len)
		struct pending_cmd *cmd;
		struct hci_dev *hdev;
		int err;
		u8 val;
		u8 val, enabled;

		BT_DBG("request for hci%u", index);

		@@ -1280,8 +1280,9 @@ static int set_le(struct sock sk, u16 index, void data, u16 len)
		}

		val = !!cp->val;
		enabled = !!(hdev->host_features[0] & LMP_HOST_LE);

		if (!hdev_is_powered(hdev)) {
		if (!hdev_is_powered(hdev) \|\| val == enabled) {
		bool changed = false;

		if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {

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